1up5
From Proteopedia
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CHICKEN CALMODULIN
Overview
Two new crystal forms of calmodulin from Gallus gallus are reported., Crystals in space group P1 (cell dimensions a = 59.7, b = 53.1, c = 24.6, A, alpha = 93.2, beta = 96.7, gamma = 89.2 and Z = 2), grow as long thin, needles. Water content on density considerations is approximately 50%., They diffract to approximately 2.0 A but give wide multiply peaked spot, profiles. Crystals in space group P2(1)2(1)2(1) (cell dimensions a = 32.2, b = 56.0, c = 67.3 A and Z = 4), grow as clusters of thin tablets and, contain approximately 30% water by volume. These small crystals (, approximately 0.4 x 0.15 x 0.1 mm) diffracted well to approximately 1.4 A, and some appreciable intensities were observed at resolutions better than, 1.2 A.
About this Structure
1UP5 is a [Single protein] structure of sequence from [[1]] with CA as [ligand]. Full crystallographic information is available from [OCA].
Reference
Crystallization and preliminary X-ray analysis of two new crystal forms of calmodulin., Rupp B, Marshak DR, Parkin S, Acta Crystallogr D Biol Crystallogr. 1996 Mar 1;52(Pt 2):411-3. PMID:15299715
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